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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b70779abc36sm125468766b.25.2025.10.31.02.07.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 31 Oct 2025 02:07:58 -0700 (PDT) Message-ID: <1398b513-0948-4775-a71d-dd06ee2296f9@oss.qualcomm.com> Date: Fri, 31 Oct 2025 10:07:56 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: qcom: qcs6490-rb3gen2: Use 'edp_hot' function for hpd gpio To: Amit Singh , andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, quic_riteshk@quicinc.com, quic_rajeevny@quicinc.com, quic_vproddut@quicinc.com References: <20251031085739.440153-1-quic_amitsi@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251031085739.440153-1-quic_amitsi@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=RL2+3oi+ c=1 sm=1 tr=0 ts=69047c70 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=COk6AnOGAAAA:8 a=7M366yyIwzBhkVEls5YA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: qGxPMGK8xAfNcm84mI1MtwPmc54cQS2b X-Proofpoint-GUID: qGxPMGK8xAfNcm84mI1MtwPmc54cQS2b X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDMxMDA4MyBTYWx0ZWRfX0Kqj3Lw4zEle qavkW3xlIyMpO9ckP1jtYVN7rrdm3BOBR+0ktnqC/1+giQWhjb+gT9Wa7AuyqSYzlQ88KwI5FuV wnlCDDsXanG2kuLBuwufnfH6USfhENaZm/BtweJo3/tRq8TGgpXlXeQWg62TQZtqL2hZfqJPVEx TvjopMbSOfQZF5Q4zEZEujnhtpule608hw99qN7iF+aDkHIqyxe4beFwA2SjFv/p8owVozQkCOP dBNDkykFa9ccKNa7En2xZOOMEekxxhzypqM2xA/xVD4uuWK2ja2I5N3tnuezmqo5dvm5isB+GhL vqqWjSkPtS6Nzb/qItKbNOhHzr5IVA23R5sbLrp6ahipCnCne6xJefpZx56CgzKs2oLPZf/a+e6 N17LGJYr6Sd1b3MeRRCxD+g+GPwszw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-10-31_02,2025-10-29_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 impostorscore=0 phishscore=0 bulkscore=0 adultscore=0 spamscore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2510310083 On 10/31/25 9:57 AM, Amit Singh wrote: > Currently, hpd gpio is configured as a general-purpose gpio, which does > not support interrupt generation. This change removes the generic > hpd-gpios property and assigns the edp_hot function to the pin, > enabling proper irq support. > > Fixes: 756efb7cb7293 ("arm64: dts: qcom: qcs6490-rb3gen2: Add DP output") > Signed-off-by: Amit Singh > --- > arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts > index c146161e4bb4..caa0b6784df3 100644 > --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts > +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts > @@ -49,8 +49,6 @@ dp-connector { > label = "DP"; > type = "mini"; > > - hpd-gpios = <&tlmm 60 GPIO_ACTIVE_HIGH>; I think this change will take away DRM_BRIDGE_OP_DETECT which is very much desired to have.. (via display_connector_probe()) Konrad > - > port { > dp_connector_in: endpoint { > remote-endpoint = <&mdss_edp_out>; > @@ -1420,7 +1418,6 @@ &wifi { > /* PINCTRL - ADDITIONS TO NODES IN PARENT DEVICE TREE FILES */ > > &edp_hot_plug_det { > - function = "gpio"; > bias-disable; > }; >